shm_remove_var

    (PHP 4, PHP 5, PHP 7, PHP 8)

    shm_remove_var — Removes a variable from shared memory

    说明

    shm_remove_var(SysvSharedMemory$shm, int$key): bool

    Removes a variable with a given key and frees the occupied memory.

    参数

    shm

    A shared memory segment obtained from shm_attach().

    key

    The variable key.

    返回值

    成功时返回 true， 或者在失败时返回 false。

    更新日志

    版本说明
    8.0.0shm expects a SysvSharedMemory instance now; previously, a resource was expected.

    参见

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